implemented Collection, added Object, enhanced message log
costumized Event.__str__ (server)
implemented handling of collection messages (client); added collectionId to post, postNew, DoPostHandlers; added DoPostScreen; updated RemoteUrlPostElement
Merge branch 'sjmpc.py' into collection
fixed: inconsistent order of message handlers
documented current API calls / events
Merge branch 'master' into collection

Conflicts:
	wall/__init__.py
	wall/res/static/display.js
	wall/res/static/remote.js
	wall/res/static/wall.js
cleaned up
Merge pull request #130 from NoyaInRain/collection

Collection